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http://hdl.handle.net/2080/614

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dc.contributor.author

Jena, H M

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dc.contributor.author

Roy, G K

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dc.contributor.author

Biswal, K C

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dc.date.accessioned

2008-03-12T09:46:56Z

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dc.date.available

2008-03-12T09:46:56Z

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dc.date.issued

2008

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dc.identifier.citation

Proceedings of the National Seminar on Recent Advances in Chemical Engineering Operation and Process in Chemical and Allied Industries, Institute of Technology, Guru Ghasidas University, Bilaspur (C.G.), Feb. 2008

en

dc.identifier.uri

http://hdl.handle.net/2080/614

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dc.description

Copyright for this paper belongs to Proceedings publisher

en

dc.description.abstract

The bed expansion profile of a co-current three-phase fluidized bed with an antenna type air sparger have been studied using liquid as the continuous phase and gas as the discontinuous phase. Air, water and ceramic raschig rings of equivalent diameter 0.006864 m are used as the gas, liquid and solid phases respectively. The experiments have been carried out in a 0.1 m internal diameter, 1.88 m height vertical Perspex column. The expanded bed height in the fluidized bed regime has been measured visually. Correlations for bed voidage have been developed. The developed correlation for bed voidage can be used for the sizing of such systems. The bed voidage is a strong function of both the liquid velocity and gas velocity. The experimental values have been compared with those predicted by the correlations and have been found to agree well.